Author(s) affiliations:Vincenza Cifarelli1, Ingrid M. Libman2, Angela DeLuca3, Dorothy Becker2, Massimo Trucco1 and Patrizia Luppi1
1Division of Immunogenetics, Department of Pediatrics, Children’s Hospital of Pittsburgh, University of Pittsburgh, School of Medicine, Pittsburgh, PA 15213, USA.
2Division of Endocrinology, Department of Pediatrics, Children’s Hospital of Pittsburgh, University of Pittsburgh, School of Medicine, Pittsburgh, PA 15213, USA.
3Department of Experimental Medicine, Section of Human Anatomy, University of Palermo, School of Medicine, Italy.